Omega Constellation Constellation Co-Axial 31 Stainless Steel / Yellow Gold / Champagne Supernova

Reference 123.25.31.20.58.001

Omega Constellation Co-Axial 31 Stainless Steel / Yellow Gold / Champagne Supernova

About this watch

The Omega Constellation Co-Axial 31 is a masterpiece that combines art and engineering, embodying quality and style in every piece. Its striking design features a Champagne Supernova dial exuding warmth and radiance, reminiscent of golden sunsets. The gem-set bezel adds a touch of glamour, making it suitable for both casual and formal occasions. Crafted from premium Stainless Steel and Yellow Gold, this watch is built to last, with the sapphire crystal covering the dial being scratch-resistant. At its heart lies the Omega Caliber 8520 automatic movement, boasting a 50-hour power reserve and operating at a frequency of 25,200 vibrations per hour. This chronometer-certified timepiece has passed rigorous tests for accuracy and performance, ensuring precision that you can rely on. With a water resistance of up to 100 meters, it's perfect for daily use while maintaining a touch of luxury.

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Key Features

Omega Caliber 8520 automatic movement
50-hour power reserve
Chronometer certified for precision
Water-resistant up to 100 meters
Sapphire crystal covering the dial
Stainless Steel and Yellow Gold construction
Gem-set bezel

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 31 Stainless Steel / Yellow Gold / Champagne Supernova

Reference

123.25.31.20.58.001

Movement

8520

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

31mm

Crystal

Sapphire

Water Resistance

100

Current Listings

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Up for sale is my Omega Constellation C Case 168.017 Cal 564 in good condition, featuring a 35-36mm case size.

Condition: Good condition with some signs of aging
Case Size: 35-36mm
Bezel Condition: High polished with light hairlines
Caseback Condition: Polished by previous owner

Posted at

Dec 18, 2025, 8:42 PM

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Posted at

Dec 18, 2025, 1:07 PM

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Condition: Beautiful condition with strong, well-defined edges and an exceptionally clean period-correct pie-pan silver dial.
Case Size: 34mm
Year: 1960s
Material: 18K rose gold

Posted at

Dec 17, 2025, 5:47 PM

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Condition: Unworn/New
Case size: 39mm
Material: stainless steel
Diameter: 39mm

Posted at

Dec 16, 2025, 12:54 PM

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Condition: Great condition with minor signs of wear
Case diameter: 35mm (without crown)
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Lug width: 23mm

Posted at

Dec 14, 2025, 9:08 PM

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Omega Constellation 168.017 (1966)

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This Omega Constellation features a beautiful original 'C-Shape' dial and is accompanied by its genuine Omega 518 brick bracelet.

Condition: Good condition overall
Movement: Cal. 561
Bracelet: Genuine Omega 518 brick bracelet

Posted at

Dec 12, 2025, 10:03 AM

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REDUCED Omega Constellation Gold Cap ( REF:168.018 ) $750 Shipped.....

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A beautiful example of the classic Omega Constellation Automatic Chronometer from the late 1960s. It features an original silver sunburst dial with applied gold markers and date at 3 o'clock, a gold-capped stainless steel case (34mm), and an iconic Observatory medallion on the caseback.

Condition: Excellent condition, freshly serviced
Case size: 34mm diameter
Movement: Caliber 561
Crystal: Acrylic crystal

Posted at

Dec 12, 2025, 8:28 AM

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Condition: VERY GOOD, with some light scratches on bracelet
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Bracelet size: ~7" wrist

Posted at

Dec 12, 2025, 1:09 AM

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